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Royalty Obligation - Additional Information (Detail) - USD ($) $ in Thousands |  | 3 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jan. 31, 2018 | Jan. 31, 2023 | Jan. 31, 2024 | Jan. 31, 2023 | Jan. 31, 2022
Guaranteed Minimum Royalty Payments |  |  | $ 11,500 |  |
Royalty Obligation, Current |  | $ 1,725 | 1,700 | $ 1,725 |
Royalty Obligation Non Current |  | 3,415 | 2,093 | 3,415 |
Excess Royalty Payments |  | 100 |  |  |
Accrued Royalties, Current, Excess Royalty Payment Due |  | $ 562 | 935 | 562 |
Honeywell Asset Purchase and License Agreement [Member] |  |  |  |  |
Payment Term Period | 10 years |  |  |  |
Payment Maturity Date | Sep. 30, 2028 |  |  |  |
Minimum Royalty Payment Obligation | $ 15,000 |  |  |  |
Royalty Obligation, Current |  |  | 1,500 |  |
Royalty Obligation Non Current |  |  | 1,700 |  |
Excess Royalty Payments |  |  | 2,300 | $ 1,300 | $ 500
Accrued Royalties, Current, Excess Royalty Payment Due |  |  | $ 900 |  |

X
- Definition Accrued royalties in excess of guaranteed minimum royalty obligation- amount due within one year. + References No definition available. + Details
Name: | alot_AccruedRoyaltiesCurrentExcessRoyaltyPaymentDue
Namespace Prefix: | alot_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of royalty expense paid in excess of guaranteed minimum payments. + References No definition available. + Details
Name: | alot_ExcessRoyaltyPayments
Namespace Prefix: | alot_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Total Amount paid to date on the Guaranteed Minimum Royalty Obligation. + References No definition available. + Details
Name: | alot_GuaranteedMinimumRoyaltyPayments
Namespace Prefix: | alot_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Minimum Royalty Payment Obligation. + References No definition available. + Details
Name: | alot_MinimumRoyaltyPaymentObligation
Namespace Prefix: | alot_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Payment maturity. + References No definition available. + Details
Name: | alot_PaymentMaturityDate
Namespace Prefix: | alot_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Definition Payment term period. + References No definition available. + Details
Name: | alot_PaymentTermPeriod
Namespace Prefix: | alot_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Carrying amount of the short term portion of the guaranteed minimum royalty obligation related to Honeywell Agreement. + References No definition available. + Details
Name: | alot_RoyaltyObligationCurrent
Namespace Prefix: | alot_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Carrying amount of the long term portion of the guaranteed minimum royalty obligation related to Honeywell Agreement. + References No definition available. + Details
Name: | alot_RoyaltyObligationNonCurrent
Namespace Prefix: | alot_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_TypeOfArrangementAxis=alot_HoneywellAssetPurchaseAndLicenseAgreementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |